Letters from the Spanish Civil War provides a unique perspective into the motivations that led a young man from the American heartland to defy U.S. neutrality and travel to Spain to fight in defense of democracy against Nazi- and Fascist-backed aggression. Born in a small town in rural Ohio, Carl Geiser came from a deeply religious German-speaking family that had recently emigrated from Switzerland. The onset of the Great Depression exposed Geiser to the reality of hard times...